name: HT6535 function: SPP/EPP/ECP Controller package: PLCC68,68 manufacturer: Holtek +----------+---------------+-----------+------------+ | 1 - VSS | 18 - VSS | 35 - VSS | 52 - VSS | | 2 - SA10| 19 - SD4 | 36 - IRQ | 53 - SLTINZ| | 3 - SA9 | 20 - SD3 | 37 - AEN | 54 - PD7 | | 4 - SA8 | 21 - SD2 | 38 - RESET| 55 - PD6 | | 5 - SA7 | 22 - SD1 | 39 - BA2 | 56 - PD5 | | 6 - SA6 | 23 - SD0 | 40 - BA1 | 57 - PD4 | | 7 - SA5 | 24 - IORDY | 41 - BA0 | 58 - PD3 | | 8 - SA4 | 25 - IOWZ | 42 - BUSY | 59 - PD2 | | 9 - VDD | 26 - VDD | 43 - VDD | 60 - VDD | | 10 - VSS | 27 - VSS | 44 - VSS | 61 - PD1 | | 11 - SA3 | 28 - CLK/TESTI| 45 - ACKZ | 62 - PD0 | | 12 - SA2 | 29 - TESTO | 46 - PE | 63 - PMODE1| | 13 - SA1 | 30 - VDD | 47 - SLCT | 64 - PMODE0| | 14 - SA0 | 31 - IORZ | 48 - ERRZ | 65 - TEST1 | | 15 - SD7 | 32 - TC | 49 - STRBZ| 66 - NUMID | | 16 - SD6 | 33 - DACLZ | 50 - AFDZ | 67 - NC | | 17 - SD5 | 34 - DRQ | 51 - INTZ | 68 - NC | +----------+---------------+-----------+------------+ This pinout came from the Chipdir: http://www.chipdir.org/